.skip-link {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    z-index: 9999;
    width: auto;
    height: auto;
    background: var(--color-secondary);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-4);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1200;
}

.topbar {
    background: #0f3752;
    color: var(--color-inverse);
    font-size: 0.95rem;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
}

.social-links,
.topbar-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0;
    margin: 0;
}

.social-links a,
.topbar-links a {
    color: var(--color-inverse);
}

.navbar-wrap {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.25s ease, backdrop-filter 0.25s ease;
}

.navbar-wrap.is-sticky {
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(6px);
}

.navbar-inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.site-logo img {
    width: 74px;
}

.site-nav {
    position: fixed;
    inset: calc(var(--header-height) + 2.6rem) 1rem auto 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: all 0.25s ease;
}

.site-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    max-height: 85vh;
    padding: var(--space-4);
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-2);
}

.nav-list a {
    display: block;
    font-weight: 600;
    color: var(--color-secondary);
    border-radius: 999px;
    padding: var(--space-2) var(--space-4);
}

.nav-list a:hover,
.nav-list a.is-active {
    background: rgba(105, 178, 220, 0.18);
    color: #0f3d58;
}

.menu-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    display: grid;
    gap: 5px;
    align-content: center;
    justify-items: center;
    padding: 0;
}

.menu-toggle span {
    width: 19px;
    height: 2px;
    background: var(--color-secondary);
    border-radius: 999px;
}

.mobile-footer-links {
    display: none;
}

.mobile-footer-links .container {
    padding: var(--space-2) 0 var(--space-3);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-4);
}

.mobile-footer-links a {
    color: #d2dfeb;
    font-weight: 600;
    font-size: 0.95rem;
}

.site-footer {
    background: #0f2233;
    color: #d2dfeb;
    margin-top: var(--space-16);
}

.footer-grid {
    padding: var(--space-12) 0;
    display: grid;
    gap: var(--space-8);
}

.site-footer h2 {
    color: #fff;
    font-size: 1.2rem;
}

.site-footer p,
.site-footer li,
.site-footer a {
    color: #d2dfeb;
}

.footer-links,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-2);
}

.footer-contact span {
    color: #fff;
    font-weight: 600;
}

.copyright-panel {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.copyright-inner {
    padding: var(--space-4) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.page-banner {
    background: linear-gradient(120deg, #0d2742 0%, #1b4f74 50%, #69b2dc 100%);
    color: var(--color-inverse);
    padding: var(--space-12) 0;
}

.page-banner h1,
.page-banner h2,
.page-banner h3,
.page-banner p {
    color: var(--color-inverse);
}

.page-banner p {
    max-width: 70ch;
    opacity: 0.95;
}